<template>
  <div class="login_container">
    <div class="login_box">
      <div class="avatar">
        <img src="../assets/logo.png" />
      </div>
      <!-- loginFrom是一個對象 -->
      <el-form label-width="0px" class="login_form" :model="loginForm" :rules="loginFormRules" ref="LoginFormRefs">
        <!-- 用户名 -->
        <el-form-item prop="username">
          <el-input prefix-icon="el-icon-user-solid" v-model="loginForm.username"></el-input>
        </el-form-item>
        <el-form-item prop="password">
          <el-input prefix-icon="el-icon-lock" v-model="loginForm.password" show-password></el-input>
        </el-form-item>
        <el-form-item class="btns">
          <el-button type="info" @click="resetF">重置</el-button>
          <el-button type="primary" @click="loginF">登录</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>
<script>
export default {
    name:'Login',
    data(){
        return{
            loginForm:{
                username:'admin',
                password:'112233'
            },
            loginFormRules:{
                username:[{required: true, message: '请输入用戶名', trigger: 'blur' },
                {min: 3, max: 10, message: '长度在 3 到 5 个字符', trigger: 'blur'}],
                password:[{required: true, message: '请输入密碼', trigger: 'blur' },
                {min: 6, max: 15, message: '长度在 6 到 15 个字符', trigger: 'blur'}],
            }
        }
    },
    methods:{
        resetF(){
            this.$refs.LoginFormRefs.resetFields();
        },
        // 登錄功能預驗證
        loginF(){
            this.$refs.LoginFormRefs.validate(async valid=>{
                if(!valid) return;
                const {data:res}=await this.$api.login.valid(this.loginForm)
                console.log(res);
                if (res.code!== 201) return this.$message.error('登录失败')
        
        this.$message.success('登录成功')
           
    window.sessionStorage.setItem('token',res.data);
    this.$router.push('/home');
  });
}}}
</script>
<style lang="less" scoped>
.login_container {
  background-color: #2b4b;
  height: 100%;
  overflow-y: hidden;
}
.login_box {
  background-color: #fff;
  width: 450px;
  height: 300px;
  border-radius: 10px;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  
}
.avatar {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background-color: #fff;
  border: 1px solid #eee;
  padding: 10px;
  box-shadow: 0 0 10px #ddd;
  position: absolute;
  left: 50%;
  transform: translate(-50%, -50%);
  img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background-color: #eee;
  }
 
}
.btns {
  display: flex;
  justify-content: flex-end;
}
.login_form{
    position: absolute;
    bottom: 0;
    width: 100%;
    padding:0 40px;
    box-sizing: border-box;
}
</style>